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Teori Antrian

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Minimumkan : E [ CS ] = I Ci + W Cw<br />

Keterangan :<br />

E [ CS ] = total expected cost untuk tingkat<br />

pelayanan S<br />

I = waktu nganggur pelayan yang<br />

diharapkan<br />

Ci = biaya nganggur pelayan per unit<br />

waktu<br />

W = waktu menunggu yang diharapkan<br />

untuk semua kedatangan<br />

Cw = biaya menunggu pengantri per unit<br />

waktu

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